1. Austin III , W.A. 1998 Development of an in situ system for measuring ground thermal properties.
2. Development of an in-situ system for measuring ground thermal properties.;Austin III;ASHRAE Transactions,2000
3. Equivalent time for interrupted tests on borehole heat exchangers.;Beier;HVAC&R Research,2008
4. Analyzing interrupted in-situ tests on vertical boreholes.;Beier;ASHRAE Transactions,2005